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06-09-2015, 01:15 PM
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#1 |
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Registered User
Join Date: Feb 2012
Location: Morgantown, Wv
Posts: 294
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Burnt Distributor Cap Why?
Ok, So I just finished rebuilding my quadrajet the other day. I also replaced the rusty old gas tank and filter which lead to the carb rebuild. Anyways got it all back together. Started test driving and tuning the carb. Everything went great. Came back home and parked the truck. Later that night I went to fire it up and nothing. After some troubleshooting I found I had no spark. Today I pulled the cap, and the button in the center looks burnt and the rotor is discolored and little. Replaced them with a spare I had laying around. Fired right up. So I wondering what could cause this???
P.s Distributor is one of those cheap skip white hei units. About a year old.
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87 V20, Vortec 350, Sm465, Np205, Dana 44, 14bff 4.10's |
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06-09-2015, 01:18 PM
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#2 |
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Registered User
Join Date: Feb 2012
Location: Morgantown, Wv
Posts: 294
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Re: Burnt Distributor Cap Why?
Pics
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87 V20, Vortec 350, Sm465, Np205, Dana 44, 14bff 4.10's |
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06-09-2015, 02:05 PM
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#3 |
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Registered User
Join Date: Oct 2014
Location: Spearfish South Dakota
Posts: 407
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Re: Burnt Distributor Cap Why?
That didn't happen overnight looks like corrosion just was time more fuel less full after rebuild changed and not enough spark to fire.
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83 c10 long Box Daily Driver 90 Jimmy parked 98 Road King/ 06 Road Glide In memorium 63 impala SS/ 65 Chevy Panel 65 GMC Short Box/ 68 Camero |
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06-09-2015, 06:55 PM
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#4 |
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Registered User
Join Date: Dec 2007
Location: Kimberley, BC, Canada
Posts: 799
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Re: Burnt Distributor Cap Why?
What's your spark plug gap set to?
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Greg 64 GMC Suburban - 283, NV3500, 14 bolt 77 C10 swb - 292, SM465, 12 bolt |
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06-09-2015, 07:15 PM
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#5 |
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Registered User
Join Date: Feb 2012
Location: Morgantown, Wv
Posts: 294
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Re: Burnt Distributor Cap Why?
I don't recall off the top of my head. And I'd go check but it's raining cats and dogs out there right now.
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87 V20, Vortec 350, Sm465, Np205, Dana 44, 14bff 4.10's |
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06-10-2015, 07:12 AM
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#6 |
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Registered User
Join Date: Oct 2013
Location: Maine
Posts: 2,375
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Re: Burnt Distributor Cap Why?
I have only seen this on high mileage components. If your is only 1 year old it must have been arcing somehow or that button is some kind of chinese material. I doubt if a new one will do it so fast.
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76 Chevy K20 76 GMC K15 77 Chevy C10 77 Chevy K10 |
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06-10-2015, 07:49 AM
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#7 |
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Registered User
Join Date: Feb 2012
Location: Morgantown, Wv
Posts: 294
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Re: Burnt Distributor Cap Why?
Installed it in April 2014 have about 9000 miles on it. And it is most likely a Chinese part.
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06-10-2015, 07:46 PM
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#8 |
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Registered User
Join Date: Feb 2012
Location: Morgantown, Wv
Posts: 294
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Re: Burnt Distributor Cap Why?
Gap was 0.60 which I guess is stock for the 96-99 Vortecs. I re-gaped them to 0.45.
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87 V20, Vortec 350, Sm465, Np205, Dana 44, 14bff 4.10's |
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